mathstoopidz
2x+7y=3 9x+y=46



This Question is Closed

anonymous
Best Response
You've already chosen the best response.
0
too many equal signs

anonymous
Best Response
You've already chosen the best response.
0
oh my fault i see
\[2x+7y=3\]
\[9x+y=46\] sorry

anonymous
Best Response
You've already chosen the best response.
0
you want elimination or substitution ?

mathstoopidz
Best Response
You've already chosen the best response.
0
Substitution

anonymous
Best Response
You've already chosen the best response.
0
then solve second equation for y, because it is easiest
\[9x+y=46\]
\[y=9x+46\] and substitute into first equation

Alexis1994_13
Best Response
You've already chosen the best response.
0
2x+7y=3 (*9) > 18x+63y=27
9x+y=46 (*2) > 18x+2y=92 <=> 65y=65 <=>y=1

Alexis1994_13
Best Response
You've already chosen the best response.
0
2x+7*1=3 => 2x=10 => x=5

Alexis1994_13
Best Response
You've already chosen the best response.
0
You are welcome :p

anonymous
Best Response
You've already chosen the best response.
0
\[2x+7y=3\]
\[2x+7(9x+46)=3\]
\[65x+322=3\]
\[65x=325\]
\[x=5\]

anonymous
Best Response
You've already chosen the best response.
0
the find y by substitution.
Alexis got right answer using elimination. doesn't matter which you use

Alexis1994_13
Best Response
You've already chosen the best response.
0
We are both great ^^

mathstoopidz
Best Response
You've already chosen the best response.
0
Yes, You both are.
I just wish I could understand this better... still confused :/

mathstoopidz
Best Response
You've already chosen the best response.
0
what would an ordered pair be?

Alexis1994_13
Best Response
You've already chosen the best response.
0
Just write what I am writing and if you still have any questions tell me.